1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.40 to $5.50, inclusive. The reporting person undertakes to provide to Mattersight Corporation, any security holder of Mattersight Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Remarks:

,Multiple Forms Submitted

/s/ Robert Yin, by power of attorney

09/06/2012

/s/ Robert Yin, by power of attorney

09/06/2012

/s/ Robert Yin, by power of attorney

09/06/2012

/s/ Robert Yin, by power of attorney

09/06/2012

/s/ Robert Yin, by power of attorney

09/06/2012

/s/ Robert Yin, by power of attorney

09/06/2012

/s/ Robert Yin, by power of attorney

09/06/2012

/s/ Robert Yin, by power of attorney

09/06/2012

/s/ Robert Yin, by power of attorney

09/06/2012

/s/ Robert Yin, by power of attorney

09/06/2012

** Signature of Reporting Person

Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person,
see
Instruction
4
(b)(v).